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[Qemu-devel] [PATCH v9 19/84] target/mips: Add placeholder and invocatio
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v9 19/84] target/mips: Add placeholder and invocation of decode_nanomips_opc() |
Date: |
Thu, 16 Aug 2018 16:57:12 +0200 |
From: Aleksandar Markovic <address@hidden>
Add empty body and invocation of decode_nanomips_opc() if the bit
ISA_NANOMIPS32 is set in ctx->insn_flags.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/translate.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 4f95b9a..2682ede 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -16586,6 +16586,19 @@ enum {
NM_EVP = 0x01,
};
+
+/*
+ *
+ * nanoMIPS decoding engine
+ *
+ */
+
+static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
+{
+ return 2;
+}
+
+
/* SmartMIPS extension to MIPS32 */
#if defined(TARGET_MIPS64)
@@ -21406,6 +21419,9 @@ static void mips_tr_translate_insn(DisasContextBase
*dcbase, CPUState *cs)
ctx->opcode = cpu_ldl_code(env, ctx->base.pc_next);
insn_bytes = 4;
decode_opc(env, ctx);
+ } else if (ctx->insn_flags & ISA_NANOMIPS32) {
+ ctx->opcode = cpu_lduw_code(env, ctx->base.pc_next);
+ insn_bytes = decode_nanomips_opc(env, ctx);
} else if (ctx->insn_flags & ASE_MICROMIPS) {
ctx->opcode = cpu_lduw_code(env, ctx->base.pc_next);
insn_bytes = decode_micromips_opc(env, ctx);
--
2.7.4
- Re: [Qemu-devel] [PATCH v9 15/84] qemu-doc: Amend MIPS-related items, (continued)
[Qemu-devel] [PATCH v9 19/84] target/mips: Add placeholder and invocation of decode_nanomips_opc(),
Aleksandar Markovic <=
[Qemu-devel] [PATCH v9 25/84] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 20/84] target/mips: Add nanoMIPS decoding and extraction utilities, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 24/84] target/mips: Add emulation of nanoMIPS 16-bit misc instructions, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 26/84] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 11/84] elf: Remove duplicate preprocessor constant definition, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 23/84] target/mips: Add emulation of nanoMIPS 16-bit shift instructions, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 32/84] target/mips: Add emulation of misc nanoMIPS instructions (pool32a0), Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 31/84] target/mips: Add emulation of nanoMIPS FP instructions, Aleksandar Markovic, 2018/08/16
[Qemu-devel] [PATCH v9 51/84] target/mips: Adjust exception_resume_pc() for nanoMIPS, Aleksandar Markovic, 2018/08/16